Changeset 29461
- Timestamp:
- Dec 17, 2007, 5:45:01 AM (17 years ago)
- Location:
- grass/branches/releasebranch_6_3/vector
- Files:
-
- 4 edited
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v.lrs/lrs.html (modified) (4 diffs)
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v.net/description.html (modified) (1 diff)
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v.segment/description.html (modified) (1 diff)
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vectorintro.html (modified) (2 diffs)
Legend:
- Unmodified
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grass/branches/releasebranch_6_3/vector/v.lrs/lrs.html
r24810 r29461 2 2 <html> 3 3 <head> 4 <title>LRS (Linear Referenc eSystem)</title>4 <title>LRS (Linear Referencing System)</title> 5 5 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> 6 6 <meta name="Author" content="Radim Blazek"> … … 11 11 <img src="grass_logo.png" alt="_\|/_ GRASS logo"><hr align=center size=6 noshade> 12 12 13 <h2>LRS (Linear Referenc eSystem)</h2>14 A Linear Referenc e System (LRS, also called Linear Referencing System) is a system13 <h2>LRS (Linear Referencing System)</h2> 14 A Linear Referencing System (LRS) is a system 15 15 where features (points or segments) are localized by a measure along a linear element. 16 16 The LRS can be used to reference events for any network of linear … … 127 127 <h3>Available commands</h3> 128 128 <ul> 129 <li><a href="v.lrs.create.html">v.lrs.create</a> to create a linear referenc esystem,129 <li><a href="v.lrs.create.html">v.lrs.create</a> to create a linear referencing system, 130 130 <li><a href="v.lrs.label.html">v.lrs.label</a> to create stationing on the LRS, 131 131 <li><a href="v.lrs.segment.html">v.lrs.segment</a> to create points/segments on LRS, 132 132 and 133 133 <li><a href="v.lrs.where.html">v.lrs.where</a> to find line id and real km+offset 134 for given points in vector map using linear referenc esystem.134 for given points in vector map using linear referencing system. 135 135 </ul> 136 136 … … 171 171 <li>player: vector layer in point map (usually 1; see <a HREF="vectorintro.html">vectorintro</a> 172 172 for "layer" concept) 173 <li>rsdriver: Driver name for reference systemtable - DBMI SQL driver (dbf, pg, mysql, sqlite, etc)174 <li>rsdatabase: Database name for reference systemtable - DBMI SQL database name (e.g., "lrsdb")175 <li>rstable: Name of the reference systemtable - DBMI SQL table name (e.g., "streamslrs")173 <li>rsdriver: Driver name for LRS table - DBMI SQL driver (dbf, pg, mysql, sqlite, etc) 174 <li>rsdatabase: Database name for LRS table - DBMI SQL database name (e.g., "lrsdb") 175 <li>rstable: Name of the LRS table - DBMI SQL table name (e.g., "streamslrs") 176 176 </ul> 177 177 -
grass/branches/releasebranch_6_3/vector/v.net/description.html
r24538 r29461 10 10 If vector editing is required to modify the graph, <em>v.digit</em> 11 11 or <em>v.edit</em> can be used. Separately, 12 <a HREF="lrs.html">Linear Referenc eSystem</a> is available12 <a HREF="lrs.html">Linear Referencing System</a> is available 13 13 in GRASS. 14 14 -
grass/branches/releasebranch_6_3/vector/v.segment/description.html
r23718 r29461 114 114 115 115 <em> 116 <a href="lrs.html">LRS tutorial</a> (Linear Referenc eSystem),<BR>116 <a href="lrs.html">LRS tutorial</a> (Linear Referencing System),<BR> 117 117 <a href="d.vect.html">d.vect</a>, 118 118 <a href="v.build.polylines.html">v.build.polylines</a>, -
grass/branches/releasebranch_6_3/vector/vectorintro.html
r24890 r29461 266 266 to assign attribute columns to the forward and backward direction. 267 267 268 <h3>Vector networks: Linear referenc esystem (LRS)</h3>268 <h3>Vector networks: Linear referencing system (LRS)</h3> 269 269 270 270 LRS uses linear features and distance measured along those features to … … 292 292 <h3>Lidar data processing</h3> 293 293 294 Lidar point clouds (first and last ping) are imported with <a294 Lidar point clouds (first and last return) are imported with <a 295 295 href="v.in.ascii.html">v.in.ascii</a> (-b flag to not build the 296 296 topology). Outlier detection is done with 297 <a href="v.outlier.html">v.outlier</a> on both first and last pingdata.297 <a href="v.outlier.html">v.outlier</a> on both first and last return data. 298 298 Then, with <a href="v.lidar.edgedetection.html">v.lidar.edgedetection</a>, 299 edges are detected from last pingdata. The building are generated by299 edges are detected from last return data. The building are generated by 300 300 <a href="v.lidar.growing.html">v.lidar.growing</a> from detected 301 301 edges. The resulting data are post-processed with 302 302 <a href="v.lidar.correction.html">v.lidar.correction</a>. Finally, the 303 303 DTM and DSM are generated with <a href="v.surf.bspline.html">v.surf.bspline</a> 304 (DTM: uses the 'v.lidar.correction' output; DSM: uses last pingoutput304 (DTM: uses the 'v.lidar.correction' output; DSM: uses last return output 305 305 from outlier detection). 306 306
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